Thunderstorm Wind in CASS, NORTH DAKOTA
From 05-SEP-05 18:45:00 to 05-SEP-05 18:45:00 (CST)
Location: HORACE
Magnitude: 70 EG
Reported by: NWS STORM SURVEY

Numerous tree branches were broken off and a large steel grain bin was dented inward.  A mobile home parked parallel to the wind was lifted slightly and rocked violently.

Thunderstorm Wind in CASS, NORTH DAKOTA
From 05-SEP-05 18:48:00 to 05-SEP-05 18:48:00 (CST)
Location: HORACE
Magnitude: 70 EG
Reported by: TRAINED SPOTTER

Many trees were damaged along the Wild Rice River.

Tornado in CASS, NORTH DAKOTA
From 05-SEP-05 18:50:00 to 05-SEP-05 19:02:00 (CST)
Location: HORACE
Tornado F-scale: F2
Reported by: NWS STORM SURVEY

After strong winds and heavy rain hit a farmstead, a tornado followed closely behind.  The tornado tracked intermittently along a 4 mile path.  A 30 foot concrete silo was lifted and blown onto a machine shed.  Concrete pieces spread in a 60 degree arc 40 to 50 feet from the foundation.  One-half of the machine shed was demolished by silo debris.  Numerous trees were also snapped off.  A window was blown in and siding was ripped off the house.  The peak wind speeds were estimated at 120 mph.

Thunderstorm Wind in CASS, NORTH DAKOTA
From 05-SEP-05 18:50:00 to 05-SEP-05 18:50:00 (CST)
Location: LEONARD
Magnitude: 56 EG
Reported by: GENERAL PUBLIC

Large branches were blown down.

Thunderstorm Wind in CASS, NORTH DAKOTA
From 05-SEP-05 18:55:00 to 05-SEP-05 18:55:00 (CST)
Location: HICKSON
Magnitude: 56 EG
Reported by: NWS STORM SURVEY

Large evergreen trees were blown over or uprooted.

Tornado in CASS, NORTH DAKOTA
From 05-SEP-05 19:00:00 to 05-SEP-05 19:04:00 (CST)
Location: WILD RICE
Tornado F-scale: F1
Reported by: NWS STORM SURVEY

A tornado tracked from near the Wild Rice River to near the Red River, a track of about 1.5 miles.  The tornado continued into Clay County (MN) about two miles northwest of Rustad.  Signs and fences were destroyed by the tornado.  Many trees were snapped off or uprooted, with branches and debris thrown downwind for hundreds of feet.  Travel trailers parked near the Wild Rice Bar and Grill were flipped onto each other.  Peak wind speeds were estimated at 110 mph.

Hail in CASS, NORTH DAKOTA
From 05-SEP-05 18:15:00 to 05-SEP-05 18:18:00 (CST)
Location: CASSELTON
Magnitude: 0.88 
Reported by: LAW ENFORCEMENT

Penny to nickel sized hail fell at the intersection of Interstate 94 and highway 18.

Thunderstorm Wind in CASS, NORTH DAKOTA
From 05-SEP-05 18:30:00 to 05-SEP-05 18:30:00 (CST)
Location: MAPLETON
Magnitude: 55 EG
Reported by: GENERAL PUBLIC

A 5 inch diameter tree was snapped off.

Funnel Cloud in CASS, NORTH DAKOTA
From 05-SEP-05 18:35:00 to 05-SEP-05 18:35:00 (CST)
Location: WEST FARGO
Reported by: LAW ENFORCEMENT

A funnel cloud was sighted off the west end of the Eagle Run subdivision.

Thunderstorm Wind in CASS, NORTH DAKOTA
From 05-SEP-05 18:40:00 to 05-SEP-05 18:40:00 (CST)
Location: FARGO
Magnitude: 60 EG
Reported by: BROADCAST MEDIA

A 40x160 foot tent was blown down at the North Dakota Horse Park by strong winds.  Four inch anchor posts which held the tent down were sheared off and a concession stand was demolished.

Thunderstorm Wind in CASS, NORTH DAKOTA
From 05-SEP-05 18:43:00 to 05-SEP-05 18:43:00 (CST)
Location: HORACE
Magnitude: 70 EG
Reported by: NWS STORM SURVEY

Trees were uprooted and an antenna was blown off a house roof.

Thunderstorm Wind in CASS, NORTH DAKOTA
From 05-SEP-05 18:15:00 to 05-SEP-05 18:15:00 (CST)
Location: CASSELTON
Magnitude: 50 EG
Reported by: NEWSPAPER

Strong winds damaged a construction site at a motel just south of Casselton.

Thunderstorm Wind in STEELE, NORTH DAKOTA
From 05-SEP-05 15:30:00 to 05-SEP-05 15:30:00 (CST)
Location: HOPE
Magnitude: 70 EG
Reported by: LAW ENFORCEMENT

Doors were blown off buildings.